| 单词 | 被封锁 | 
| 释义 | 〔wrap〕"The news was kept under wraps for the three-day weekend"(Boston Globe)“这条消息被封锁了周末的三天”(波士顿环球)〔seal〕An unused wing of the hospital was sealed off.一个未启用的医院侧厅被封锁了 | 
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